Pizza Margherita Burgers with Olive-Mushroom Tapenade - Sutter Home Family Vineyards

Ingredients

• 1/2 cup prepared marinara sauce
• 1/4 cup chopped pitted black olives
• 3 tablespoons chopped pimento stuffed green olives
• 4 ounces crimini mushrooms, chopped
• 2 pounds ground chuck
• 2 teaspoons salt
• 1/4 cup Sutter Home Merlot
• 1/4 cup minced sweet onion
• 2 cloves garlic, minced
• 1-1/2 tablespoons fresh oregano, minced
• Colavita Olive Oil for grill
• 6 focaccia rolls, split
• 6 slices smoked mozzarella cheese
• 1/2 cup freshly shredded parmesan and romano cheese blend
• 18 fresh basil leaves
• 6 slices large ripe red tomato, (slices about 1/4-inch thick)